INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b15fc2fc0aa5b085556be0b1afc9cbe365a32991260c6253efe0f85fc794954b', 
    'cUyA7GQSfb8c62e9Z75MxR6etCVyjo6bbh30b8AXizg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)